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10-K - 10-K - Mistras Group, Inc.mg-201653110k.htm
EX-32.2 - CFO CERTIFICATION - Mistras Group, Inc.mg-201653110kexhibit322.htm
EX-32.1 - CEO CERTIFICATION - Mistras Group, Inc.mg-201653110kexhibit321.htm
EX-31.2 - CFO CERTIFICATION - Mistras Group, Inc.mg-201653110kexhibit312.htm
EX-31.1 - CEO CERTIFICATION - Mistras Group, Inc.mg-201653110kexhibit311.htm
EX-23.1 - AUDITORS CONSENT - Mistras Group, Inc.copyofconsentexhibit231.htm
Exhibit 21.1

The following is a list of subsidiaries of the registrant. The list omits some subsidiaries which, in the aggregate, would not constitute a significant subsidiary.

 
 
Other Names under which
 
Jurisdiction of
Name
 
Subsidiary Does Business
 
Organization
Aetos Group, Inc.
 
 
 
Delaware
AEUT Instruments Trading & Services Private Ltd
 
 
 
India
Carmagen Engineering International, Inc.
 
 
 
New Jersey
CISMIS Springfield Corp.
 
 
 
Delaware
Conam Inspection and Engineering Services, Inc.
 
 
 
Delaware
Controles Industriels de L’etang
 
 
 
France
Eurosonic SAS
 
 
 
France
Garscot
 
 
 
France
GMA Aeronautica S.L.U.
 
 
 
Germany
GMA Engineering GmbH
 
 
 
Germany
GMA Holding B.V.
 
 
 
The Netherlands
GMA Werkstoffprufung GmbH
 
 
 
Germany
Mistras Canada, Inc.
 
 
 
Canada
Mistras GMA Holdings GmbH
 
 
 
Germany
Mistras Group B.V.
 
 
 
The Netherlands
Mistras Group BVBA
 
 
 
Belgium
Mistras Group GmbH
 
 
 
Germany
Mistras Group Limited
 
 
 
United Kingdom
Mistras Group SAS
 
 
 
France
Mistras Group Hellas A.B.E.E.
 
 
 
Greece
Mistras Group South America Ltda.
 
 
 
Brazil
Mistras International Holdings Inc.
 
 
 
Delaware
Mistras Properties Ltd.
 
 
 
United Kingdom
Mistras Quebec Holdings Inc.
 
 
 
Canada
Mistras Real Estate GmbH
 
 
 
Germany
Mistras Services Inc.
 
 
 
Canada
Mistras Switzerland SARL
 
 
 
Switzerland
NDT do Brasil Ltda.
 
 
 
Brazil
Physical Acoustics Ltd.
 
 
 
United Kingdom
Physical Acoustics Argentina S.A.
 
 
 
Argentina
Physical Acoustics Corporation
 
 
 
Delaware
Physical Acoustics India Private Ltd.
 
 
 
India
Physical Acoustics South America Ltda.
 
 
 
Brazil
Quality Services Laboratories, Inc.
 
 
 
Delaware
QSL NDT Inc.
 
 
 
Delaware
QSL Quebec Inc.
 
 
 
Canada
Societe Lorraine de Services en Ingenierie Tests Essais Controles
 
 
 
France
The Nacher Corporation
 
 
 
Louisiana
ThermTech Services, Inc.
 
 
 
Florida